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130443768900 = 22345240132
BaseRepresentation
bin111100101111100001…
…1011111010001000100
3110110200211222001010000
41321133003133101010
54114122101101100
6135531450401300
712265342512144
oct1713703372104
9413624861100
10130443768900
115035911a295
1221345430230
13c3baacc293
1464563c4924
1535d6cc0900
hex1e5f0df444

130443768900 has 135 divisors (see below), whose sum is σ = 422952561031. Its totient is φ = 34776336960.

The previous prime is 130443768893. The next prime is 130443768929. The reversal of 130443768900 is 9867344031.

The square root of 130443768900 is 361170.

It is a perfect power (a square), and thus also a powerful number.

130443768900 is a `hidden beast` number, since 130 + 4 + 437 + 6 + 89 + 0 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6787452996 + 123656315904 = 82386^2 + 351648^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 32503294 + ... + 32507306.

Almost surely, 2130443768900 is an apocalyptic number.

130443768900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130443768900 is the 361170-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130443768900

130443768900 is an abundant number, since it is smaller than the sum of its proper divisors (292508792131).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130443768900 is an frugal number, since it uses more digits than its factorization.

130443768900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8052 (or 4023 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 130443768900 in words is "one hundred thirty billion, four hundred forty-three million, seven hundred sixty-eight thousand, nine hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 81 90 100 108 135 150 162 180 225 270 300 324 405 450 540 675 810 900 1350 1620 2025 2700 4013 4050 8026 8100 12039 16052 20065 24078 36117 40130 48156 60195 72234 80260 100325 108351 120390 144468 180585 200650 216702 240780 300975 325053 361170 401300 433404 541755 601950 650106 722340 902925 1083510 1203900 1300212 1625265 1805850 2167020 2708775 3250530 3611700 5417550 6501060 8126325 10835100 16104169 16252650 32208338 32505300 48312507 64416676 80520845 96625014 144937521 161041690 193250028 241562535 289875042 322083380 402604225 434812563 483125070 579750084 724687605 805208450 869625126 966250140 1207812675 1304437689 1449375210 1610416900 1739250252 2174062815 2415625350 2608875378 2898750420 3623438025 4348125630 4831250700 5217750756 6522188445 7246876050 8696251260 10870314075 13044376890 14493752100 21740628150 26088753780 32610942225 43481256300 65221884450 130443768900